<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left">

<!--      登录标题-->
      <div class="title-container">
        <h3 class="title">
          <img src="@/assets/common/login-logo.png">
        </h3>
      </div>
<!--账号输入框-->
      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="mobile"
          v-model="loginForm.mobile"
          placeholder="请输入账号"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>
<!--密码输入框-->
      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>
<!--登录按钮-->
      <el-button
        :loading="loading"
        type="primary"
        style="width:100%;margin-bottom:30px;"
        class="loginBtn"
        @click.native.prevent="handleLogin">登录
      </el-button>
<!--提示-->
      <div class="tips">
        <span style="margin-right:20px;">账号:13800000002</span>
        <span> 密码:123456</span>
      </div>

    </el-form>
  </div>
</template>

<script>
import { validMobile } from '@/utils/validate'
import {mapActions} from 'vuex'
export default {
  name: 'Login',
  data() {
    const validatemobile = (rule, value, callback) => {
      // if (!validMobile(value)) {
      //   callback(new Error('账号格式不符合'))
      // } else {
      //   callback()
      // }
      validMobile(value)? callback():callback(new Error('账号格式不符合'))
    }
    return {
      loginForm: {
        mobile: '13800000002',
        password: '123456'
      },
      loginRules: {
        mobile: [
          {
          required: true,
          trigger: 'blur',
          message:'账号不能为空'
        },
          {validator: validatemobile}
        ],
        password: [
          {
          required: true,
          trigger: 'blur',
          message:'密码不能为空',
        },
          {trigger: 'change',min:6,max:16,message: '密码长度在6到16之间'}
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    ...mapActions(['user/login']),/*引入方法*/

    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
  this.$refs.loginForm.validate( async (isOk)=>{
//校验通过再去调用action方法
    if (isOk){
      try {
        this.loading = true
        // 只有校验通过了 我们才去调用action
        await this['user/login'](this.loginForm)
        // 应该登录成功之后
        // async标记的函数实际上一个promise对象
        // await下面的代码 都是成功执行的代码
        this.$router.push('/')
      } catch (error) {
        console.log(error)
      } finally {
        //  不论执行try 还是catch  都去关闭转圈
        this.loading = false
      }
    }
  })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;
$red:#C03639;
@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }

  .el-form-item__error {
    color: $red ;
    font-size: 15px;
  }
  .loginBtn{
    background: #407ffe;
    height: 64px;
    line-height: 32px;
    font-size: 24px;
  }

}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;
  background-image:url("~@/assets/common/login.jpg") ;
  background-position: center;
  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 30px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color:$light_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
